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Semaeostomeae

plural noun
Sem·​ae·​o·​sto·​me·​ae

Definition of Semaeostomeae

: an order of Scyphozoa comprising jellyfishes that have large mouths with four lips and large tentacles at the margin of the umbrella

History and Etymology for Semaeostomeae

New Latin, from Greek sēmaia, sēmeia standard, token + New Latin -stomeae (from -stoma)

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